Ответ Автор - evstifeeva07 1.5/2.4=0.625 6.9-0.625 = 6.275или 3/2÷12/5 = (3*5)/2*12 = 15/2469/10 - 12/24 = (828-150)/120 = 678/120 = 339/60 =113/60